| http://www.w3.org/ns/prov#value | - The invention includes compounds of the formula: ##STR1## wherein R. sub. 1 is selected from the group consisting of OH, OR. sub. 2 and an amino functionalized support and n is an integer ranging from about 1 to about 1000 or more preferably from about 1 to about 100 or greater and R. sub. 2 is an alkyl (C. sub. 1-20) or greater.
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